/* CSS tách từ index.php */
.material-symbols-outlined {
            font-variation-settings: 'FILL' 0, 'wght' 300, 'GRAD' 0, 'opsz' 24;
            font-size: 24px;
        }
        .glass-nav {
            background: rgba(255, 249, 239, 0.75);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
        }
        .editorial-shadow {
            box-shadow: 0 20px 40px rgba(61, 103, 81, 0.06);
        }
        .primary-gradient {
            background: linear-gradient(135deg, #3d6751 0%, #a8d5ba 100%);
        }